Professor Seebohm and Dr. Jessop, and Chance pages in books on political and social economy, like those of the late Professor Thorold Rogers and Dr. Cunningham, have done much in our time to draw attention to the im portance of the subject. Still, so far as I am aware, no writer has yet treated the plague as a whole, or, indeed, has utilised the material available for forming a fairly accurate estimate of its ravages. The col lections for the present study had been entirely made when a book on the Epidemics in Britain, by Dr. Creighton, was announced, and, as a consequence, the work was set aside. On the appearance of Dr. Creigh ton's volume, however, it was found that, whilst treating this pestilence at considerable length as a portion Of his general subject, not merely had it not entered into his design to utilise the great bulk of material to be found in the various records of the period, but the author had dealt with the matter from a wholly different point of view.